Pipe fitting



Patented Aug. 19, 1947 PIPE FITTING Edward A. Mosca, Atlantic City, N. J.

Application February 1, 1946, Serial No. 644,695.

1 Claim.

My invention relates to pipe ttings and the object of my invention is to provide pipe fittings adapted to facilitate the removal and rep-lacen ment of a damaged pipe in a pipe line.

Ano-ther object of my invention is to provide pipe iittings eliminating the necessity of removing a plurality of pipes in order to be able to remove a leaky pipe from a pipe line.

Other objects of my inventionv may appear in the following specication describing my invention with reference to the accompanying drawing illustrating a preferred embodiment of my in vention. It is however to be understood that my invention is not to be limited and restricted to the xact construction and combination of parts described in the specification and shown in the drawing, but that such changes and modifications can be made which fall within the scope of claim appended hereto. Attention is called to the fact particularly, that while an elbow is described in the specification and shown in the drawing, any other pipe fitting, such as T, sleeves and the like can be formed in the improved manner forming the subject matter of my invention.

In the drawing:

Figure 1 is a side view of a pipe to be connected with a fitting according to my invention.

Figure 2 is a View similar to Figure 1 partly shown in section, the pipe shown connected with the tting.

Figure 3 is a sectional view taken on line 3-3 in Figure 2, and

Figure 4 is a bottom plan view of Figure 2.

Referring now to the drawing in detail a pipe it! is provided at its end with a comparatively long outside thread I I on which a reducing sleeve l2 is threadedly mounted. This sleeve has on its outer end a nut-like flange I3 to facilitate the operation of the sleeve. The inner thread I4 of the sleeve extends throughout the entire bore of the sleeve, which is provided also with an outer thread I5 which extends over the entire length of the reducing sleeve I2 up to the nutlike flange I3.

A iitting I6, which is shown in the present drawing as an elbow, but can be any other shaped pipe fitting, has the usual inner threads I'I and is provided at its threaded ends with cut-outs I8 which are a little wider than the outside diameter of the pipe I0.

To connect the pipe I0 with the fitting I6, the

reducing sleeve I2 is screwed onto the pipe I0 so far that a portion of the pipe IU will extend beyond the sleeve as shown in Figure 1. This pipe portion is then inserted in the fitting and then the reducing sleeve is screwed into the fitting and is at the same time threadedly moved toward the end of pipe Il) extending beyond the sleeve. The inner thread of the fitting, the outer and inner threads of the sleeve and the thread on the pipe must have the same number oi threads per inch.

When a pipe forming a portion of a pipe line, the elements whereof are connected with each other by means oi fittings according to my invention7 is to be removed, it is only necessary to unscrew the reducing sleeve I2 from the fitting t6 so that the sleeve will be positioned on pipe It as shown in Figure l. The pipe can then be removed from the tting through the cut-out I8.

While the tting in the present embodiment of my invention is shown and described as having a cut-out on each of its ends, it would be only necessary to provide such cut-out adjacent one end of the iitting to obtain the same result.

Having described my invention, what I claim and desire to secure by Letters Patent is:

A pipe tting having an inner thread, an in,- wardly extending cut-out in the end of the wall of the tting, a reducing sleeve having an inside and outside thread extending over the entire length of the sleeve and adapted to threadedly engage the inner thread oi the fitting, and a pipe having an outside thread adapted to engage the inner thread of the sleeve and longer than the reducing sleeve, all threads having the same amount of feed per revolution and the cut-out in the fittings being wide enough to permit the pipe to enter and leave the fitting through said cut-o-ut.

EDWARD A. MOSCA.

REFERENCES CITED The following references are of record in the file of this patent:

Freund Mar. 29, 1921 

